Unii Jewels
3.00ct Marquise Lab Grown Diamond Vintage Solitaire Engagement Ring | IGI Certified | Unii Jewels
Round Brilliant Lab Grown Diamond Solitaire Stud Earrings – IGI Certified | Unii Jewels on orders over $3,000
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Description
A dramatic elongated Marquise diamond meets intricate old-world metal artistry in the Unii Jewels 3.00ct Marquise Lab Grown Diamond Vintage Solitaire Engagement Ring.
At the center of the photographed design is a substantial 3.00ct Marquise Lab Grown Diamond, offered in D-E-F color and VVS-VS clarity ranges, with an Excellent cut specification and IGI certification.
Unlike a conventional minimalist solitaire, this ring develops its personality through the metalwork surrounding the center stone. The photograph shows an ornate warm-gold-tone shank with scroll-like engraved and filigree-inspired detailing, sculptural shoulders and open negative spaces leading toward the Marquise.
The result combines the unmistakable prominence of a solitaire with the decorative character of vintage-inspired jewelry.
💎 Diamond Details
Total Diamond Weight: 3.00CT
Diamond Type: Lab Grown Diamond
Diamond Shape: Marquise
Carat Weight: 3.00CT
Diamond Color: D-E-F
Diamond Clarity: VVS-VS
Cut: Excellent
Certification: IGI Certified
💍 Ring Details
Style / Design: Vintage
Product Type: Solitaire Engagement Ring
Center Stone: Marquise Lab Grown Diamond
Band Width: 2mm
Metal Options: Silver, Gold, Platinum
Wear: Engagement, wedding, anniversary, special occasion and fine-jewelry wear
The Design Story — A Solitaire with Vintage Architecture
The most important design decision here is the contrast between the clean, elongated geometry of the Marquise diamond and the highly detailed metalwork surrounding it.
The center stone has a strong north-south orientation. Its pointed tips extend the visual line of the ring vertically, while the fuller middle provides enough width to create substantial presence.
The shoulders take a very different approach.
Instead of remaining plain, they feature ornate curling and scroll-like decorative motifs. These intricate details introduce an antique-inspired personality without requiring additional side diamonds to create visual interest.
The 3.00ct Marquise Remains the Hero
Although the band is decorative, the design hierarchy remains very clear.
3.00ct Marquise → Sculptural Shoulders → Ornate 2mm Band
The large center diamond immediately commands attention because of its scale and elongated silhouette.
The decorative metalwork sits lower and farther outward, functioning almost like a frame leading the eye toward the center rather than competing with it.
This distinction is important for a vintage solitaire.
The ring can carry substantial ornamental detail while still allowing one diamond to remain the unmistakable focal point.
Six-Point Protective Visual Structure
The photographed ring shows six prominent prong contact points around the Marquise.
Most importantly, metal protection is visible around the two vulnerable pointed tips of the diamond.
Visually, these prongs also complement the elongated shape by defining the transition from the rounded middle of the stone toward its sharp ends.
Rather than hiding the distinctive outline, the setting keeps much of the Marquise perimeter visually open.
Sculptural Open Shoulders
One of the strongest features visible in the photograph is the open architecture immediately beside the center setting.
The shoulders separate around elongated negative spaces before reconnecting with the decorated shank.
That openness prevents the detailed gold-tone metalwork from appearing overly dense.
It creates a deliberate sequence:
Ornate Band → Open Shoulder → Marquise Center → Open Shoulder → Ornate Band
The empty space is therefore an active part of the design.
Vintage Scroll & Filigree-Inspired Character
The shank visible in the photograph has substantially more detail than a standard polished solitaire band.
Curling ornamental motifs run along the shoulders, creating a scrollwork / filigree-inspired vintage appearance.
The decorative pattern follows the direction of the band rather than interrupting it, so the eye naturally travels inward toward the center diamond.
This makes the ring especially distinctive from modern solitaires that rely almost entirely on a plain metal shank.
Why Marquise Works with This Vintage Design
The Marquise shape is particularly effective here because its elongated geometry provides a strong central axis against which the curved ornamental details can be contrasted.
The center contributes:
Length • Symmetry • Pointed Geometry
The shoulders contribute:
Curves • Scrollwork • Open Space • Decorative Texture
Those opposing characteristics make each element more noticeable.
The Marquise appears cleaner and more defined beside the intricate metalwork, while the scroll-inspired band feels richer beside the comparatively precise diamond silhouette.
Why Choose This Vintage Marquise Design?
This ring is designed for someone who appreciates the visual importance of a classic solitaire but does not necessarily want a plain solitaire band.
There are no supplied side diamonds competing with the 3.00ct centerpiece. Instead, the surrounding visual interest comes from the architecture and ornamentation of the ring itself.
That allows the design to preserve the fundamental idea of a solitaire—one dominant diamond—while giving the ring a much more decorative personality.
The large Marquise provides immediate impact from a distance. At closer viewing, the open shoulders and intricate scroll-like metal details reveal another layer of craftsmanship and character.
The result is a distinctive 3.00ct vintage solitaire where an elongated Marquise Lab Grown Diamond remains the unmistakable centerpiece while ornate metalwork, sculptural open shoulders and detailed scroll-inspired elements create its vintage identity.
Free Shipping & Returns
🔄 30-day return and refund policy for peace of mind
✅ Fully insured and tracked shipping via UPS & USPS
⏱️ Handcrafted with care,9-10 days production time🌍 Worldwide delivery in 8-10 business daysafter production
Please read the Shipping Policy for more information.
Why Choose Lab Diamonds?
✓ Ethical & Conflict-Free – Grown in labs with zero mining impact
✓ IGI Certified Quality – Independently verified for clarity, color, and carat
✓ No BGM Stones – Guaranteed no brown, green, or milky undertones
✓ Eco-Friendly Luxury – Timeless beauty, sustainably made
✓ Ideal for Custom Jewelry – Engagement rings, wedding bands, and more
Why Unii Jewels?
🌟Surat-Made Brilliance– Crafted in India’s diamond hub
💎Certified Sparkle– IGI-certified lab-grown diamonds
💸Unmatched Value– Low prices Diamond + low making charges
🖌️Truly Custom– Unique designs tailored for you
📦Worldwide Shipping– Fast, Free, insured, and reliable
Ring Size Chart
Ring Size Conversion Chart
Determining your ring size can be tricky without the proper tools. Use our Ring Size Conversion chart below to find your ring size in different countries. Need help? Speak with a Diamond Expert now by WhatsApp +91 7359257266
| Ring Diameter (MM) | USA/Canada | United Kingdom | France | Germany | Japan | Switzerland |
|---|---|---|---|---|---|---|
| 14.0 mm. | 3 | F | 44 | 14 | 4 | 4 |
| 14.4 mm. | 3½ | G | 45¼ | 14½ | 5½ | 6⅓ |
| 14.8 mm. | 4 | H½ | 46½ | 15 | 7 | 6½ |
| 15.2 mm. | 4½ | I½ | 47¾ | 15¼ | 8 | 8 |
| 15.6 mm. | 5 | J½ | 49 | 15¾ | 9 | 9½ |
| 16.0 mm. | 5½ | L | 50¾ | 16 | 10½ | 10¾ |
| 16.5 mm. | 6 | M | 51½ | 16½ | 12 | 12¾ |
| 16.9 mm. | 6½ | N | 52¾ | 17 | 13 | 14 |
| 17.3 mm. | 7 | O | 54 | 17¼ | 14 | 15¼ |
| 17.7 mm. | 7½ | P | 55¼ | 17¾ | 15 | 16½ |
| 18.2 mm. | 8 | Q | 56¾ | 18 | 16 | 17¾ |
| 18.6 mm. | 8½ | Q½ | 58 | 18½ | 17 | 18½ |
| 19.0 mm. | 9 | R½ | 59¼ | 19 | 18 | 20 |
| 19.4 mm. | 9½ | S½ | 60¾ | 19½ | 19 | 21 |
| 19.8 mm. | 10 | T½ | 61¾ | 20 | 20 | 21¾ |
| 20.2 mm. | 10½ | U½ | 62¾ | 20¼ | 22 | 22¾ |
| 20.6 mm. | 11 | V½ | 64¼ | 20¾ | 23 | 24 |
| 21.0 mm. | 11½ | W½ | 66 | 21 | 24 | 25¾ |
| 21.4 mm. | 12 | Y | 67¼ | 21¼ | 25 | 27½ |
| 21.8 mm. | 12½ | Z | 68 | 21¾ | 26 | 28¾ |
| 22.2 mm. | 13 | Z + 1 | 69 | 22 | 27 | 29¼ |
| 22.6 mm. | 13½ | Z + 1.5 | 71 | 22.6 | - | 31 |
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Great company the pictures does no…
Great company the pictures does no justice for how magnificent the ring actually looks in person. My fiancée loves it and get compliments on her ring every time
I asked for a custom band after I…
I asked for a custom band after I ordered and my personal contact which was assigned to me and proactively reached out handled it for a very small cost. I couldn't be happier. Also...She said YES!
Great customer service & Beautiful ring
I initially had an issue with receiving a ring that did not match the expected specifications, but their team, especially Paul & Mary, worked with me directly to resolve everything in a fair and professional manner.
Amazing experience
The customer service I received from Lisa was amazing. She was helpful, patient and a pleasure to work with.
Gorgeous Ring
The ring is more beautiful than the picture. I couldn't be happier with it.
Ordered anniversary ring 02/18
While there were multiple delays and missed shipping dates, Paul made the corrections and the ring came today. Most importantly the wife loves it.
Recommend & will consider purchasing again
This is my second order from this company. I originally had a not so pleasant experience with the order arriving outside of the delivery frame. Paul and Adam were super helpful and ended up giving me a resolution that I was happy with.
I love my ring
I love my ring! I was hesitant to order a diamond ring online but I was not disappointed when it came in! It's so pretty and the price was unbeatable.
I had an excellent experience with Best…
I had an excellent experience and especially with Adam, who made the entire process feel incredibly personal from start to finish.
Great people and Service
Great people, my wife decided she did not like the initial ring she got for Christmas so we had to swap out for a different design and ring size. Samantha and Paul were amazing in walking me through the process.
I had an absolutely amazing experience…
I had an absolutely amazing experience from start to finish. They truly went above and beyond in helping me choose the perfect engagement ring and wedding band.
My ring is beautiful and it arrived…
My ring is beautiful and it arrived earlier than expected. Definitely recommend.
After 11 years and our second daughter, I finally have my dream ring.
I've worn a ring for 11 years that never truly felt like mine. After our second daughter was born, my husband and I decided it was time to finally get it right.
my wife to be loves her ring
my wife to be loves her ring. she stares and takes pictures of it all day, everyday. couldn't be happier
Their diamonds is outstanding, I highly recommend
After extensive research, I chose to purchase from them and couldn't be happier with my decision. The quality of their diamonds is outstanding.
Amazing experience
Amazing experience! Customer service is superb, and the ring is perfectly made with top quality diamond and craftsmanship.
A M A Z I N G
I wanted to purchase a lab grown diamond because after all the researching, more bang for the buck! But, I was very skeptical about online purchases for a diamond ring.
Amazing as advertised perhaps better.
Amazing as advertised perhaps better.
Had the best experience working with…
Had the best experience working with Julieanne and her team. Julieanne was great to work with and the speed, quality and customer service was above and beyond.
Mary
Mary, and a couple of other associates were phenomenal. Mary took the time to find just the right ring for my wife.